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Official data from INPI

APARELHO DE CONVERSÃO DE TENSÃO DE CORRENTE CONTÍNUA (CC) EM TENSÀO DE CORRENTE CONTÍNUA (CC)

Em AnáliseInvention PatentPCT · US1981000002

Application data

Number

PI8105863

Type

Invention Patent

Filing

01/05/1981

Publication

11/24/1981

PCT

US1981000002

Progress at the INPI

  1. Filing01/05/81
  2. Publication11/24/81
  3. Examination08/23/83
  4. Allowance07/31/84
  5. Grant02/26/85
  6. Terminated05/24/88

The patent was granted on 02/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

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Inventors

B. D. (pessoa física)

H. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

111.616 · 01/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Notificação de entrada na fase nacional - PCT

#1.3

11/24/1981

RPI 579

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